n | a(n) |
---|---|
4 | 3 |
5 | 13 |
6 | 33 |
7 | 98 |
8 | 278 |
9 | 804 |
10 | 2320 |
11 | 6723 |
12 | 19515 |
13 | 56769 |
14 | 165421 |
15 | 482793 |
16 | 1411049 |
17 | 4129323 |
18 | 12098151 |
19 | 35482857 |
20 | 104169033 |
21 | 306087111 |
22 | 900134883 |
23 | 2649106752 |
24 | 7801834068 |
25 | 22992061134 |
26 | 67799076002 |
27 | 200040038589 |
28 | 590529542053 |
29 | 1744148984223 |
[3,13,33,98,278,804,2320,6723,19515,56769,165421, 482793,1411049,4129323,12098151,35482857, 104169033,306087111,900134883,2649106752, 7801834068,22992061134,67799076002,200040038589, 590529542053,1744148984223] |